states. >> if you have one, you don't have to give it back, you can keep it, but it may mean you cannot get replacement parts in the future. >> yes. >> this is a broader issue in terms of when you come up with an idea, how you protect it. >> that's correct. so if you take it down to sort of the -- you hear a lot of political campaigns about main street versus wall street, a main street business, someone has an idea and wants to protect it, they'll get a patent on the device and process and build a business around it, hire put food on the table of the employees' families and this is worth protecting. someone steals that idea, they'll want to take action and that's what you see in these patent infringement cases. people view their patents as their property and like you don't want someone taking your house, you don't want someone stealing your ideas. >> how is this different than you come up with a tire and another company comes up with steel belted radial tires? how do you protect your idea? >> you go and register a patent with the u.s. p.t.o., patent trademark office and that protects yo